BEGIN SLIDESHOW Disneynature schedules Penguins for Earth Day 2019 We’re not sure what happened to Disneynature‘s Dolphins, which was supposed to open this weekend, but the studio has now scheduled Penguins for a release on Earth Day 2019. Disneynature’s all-new feature film Penguins is a coming-of-age story about an Adélie penguin named Steve who joins millions of fellow males in the icy Antarctic spring on a quest to build a suitable nest, find a life partner and start a family.